| Label | Id | |
|---|---|---|
| 4-phenanthrylsulfate | http://purl.obolibrary.org/obo/CHEBI_20470 | |
| 4-pyridones | http://purl.obolibrary.org/obo/CHEBI_20485 | |
| 4-sulfobenzoate | http://purl.obolibrary.org/obo/CHEBI_20476 | |
| 4-sulfocatechol | http://purl.obolibrary.org/obo/CHEBI_20478 | |
| 4-sulfolactone | http://purl.obolibrary.org/obo/CHEBI_20479 | |
| 4-sulfomuconolactone | http://purl.obolibrary.org/obo/CHEBI_20479 | |
| 4-sulfonatobenzoate | http://purl.obolibrary.org/obo/CHEBI_20476 | |
| 4-sulfonatobenzoate(2-) | http://purl.obolibrary.org/obo/CHEBI_20476 | |
| 4-sulphonatobenzoate | http://purl.obolibrary.org/obo/CHEBI_20476 | |
| 4-thiouridine | http://purl.obolibrary.org/obo/CHEBI_20480 | |
| 4H-pyrid-4-ones | http://purl.obolibrary.org/obo/CHEBI_20485 | |
| 5-Carboxymethyl-2-hydroxymuconate | http://purl.obolibrary.org/obo/CHEBI_2040 | |
| 5-Chloro-3,4-dihydroxy-L-phenylalanyl-[pcp] | http://purl.obolibrary.org/obo/CHEBI_2043 | |
| Cephotaxime | http://purl.obolibrary.org/obo/CHEBI_204928 | |
| LTQ | http://purl.obolibrary.org/obo/CHEBI_20489 |